| Pétrusse | |
|---|---|
| Country | Luxembourg |
| Basin features | |
| Main source | Dippach |
| River mouth | Alzette, at Luxembourg City |
| Physical characteristics | |
| Length | 11 km (7 mi) |
The Pétrusse (Luxembourgish: Péitruss, German: Petruss) is a river flowing through Luxembourg, joining the Alzette at Luxembourg City. It flows through the town of Hollerich.
Coordinates: 49°36′N 6°07′E / 49.600°N 6.117°E